J/124 - Sailboat Data & Rig Dimensions
| Rig Dimensions | Imperial | Metric |
|---|---|---|
| I | 49.00 | 14.94 |
| J | 14.00 | 4.27 |
| P | 48.40 | 14.75 |
| E | 17.00 | 5.18 |
| PY | - | - |
| EY | - | - |
| ISP | 54.70 | 16.67 |
| JSP | 14.00 | 4.27 |
| Description | Imperial | Metric |
|---|---|---|
| Forestay Length | 14 | 4.3 |
| Sail Areas | Imperial | Metric |
|---|---|---|
| 100% Jib Sail Area | 343 | 31.9 |
| Mainsail Area (Cruising) | 444.3 | 41.3 |
| 100% Jib + Main Sail Area | 787.3 | 73.1 |
| Cruising Spinnaker Sail Area (1.7) | 650.9 | 60.6 |
| Dimensions | Imperial | Metric |
|---|---|---|
| LOA | 40.7 | 12.4 |
| LWL | 36.2 | 11.0 |
| Beam | 11.3 | 3.5 |
| Draft | N/A | N/A |
| Displacement | 12600 lbs. | 5715 kgs. |
| Ballast | 5000 lbs. | 2268 kgs. |
| Ratios | Imperial | Metric |
|---|---|---|
| Sail Area / Displac. | 0.06 | 0.01 |
| Ballast / Displac. | 0.4 | 0.4 |
| Displac. / LOA | 309.58 | 460.89 |
| Construction | Information |
|---|---|
| Hull Type | Fin w/bulb & spade rudder |
| Rig Type | Fractional Sloop |
| Designer | R. Johnstone |
| Builder | J Boats |
| Construction | FG |
| Ballast Type | Lead |
| First Build | 2002 |
| Last Build | 2007 |
| # Built | 35 |